Power Circuit; Sd Interface Circuit - Boardcon Embedded Design MINI3288 User Manual

2.4 Power Circuit

P6
DC-5V
DC-JACKJS-DC014KA
3
1

2.5 SD Interface Circuit

1 SDMMC_D2
1 SDMMC_D3
1 SDMMC_CMD
1 SDMMC_CLK
1 SDMMC_D0
1 SDMMC_D1
SD (Security Digital) card is a kind of widely applied card. A specified interface circuit on platform supports
reading and writing function of SD card.
F4 3A/125v
FUSE/SMD
R239
D16
10K
ZD5.6V
DIODEA
R235 1K
1
R232 Q36
2N3904
1K
SOT23
R113
10K
R0603
R1 R2 R3 R4
NC NC NC 10K
R7 22R
R8 22R
R9 22R
R11 100R
R13 22R
R14 22R
DV1 DV2 DV3 DV4
ESD ESD ESD ESD
14
Customize the embedded system based on
QF3
AP2305AN
2 3
R234
22K
CE11
220uF/10V
1
Q39
2N3904
SOT23
VCCIO_SD
R5
NC
J1
1
DAT2
2
DAT3
3
CMD
4
VDD
5
CLK
7
DAT0
8
DAT1
6
VSS
9
DET
T -Flash
MINISD1
DV5 DV6 DV7
ESD ESD ESD
1 SDMMC_DET
Your Idea
VDD5V
+ C73
10uF/10V
C0805
C1
R6
10K
0.1uF
10
10
11
11
12
12
13
13
GND